AT-GGD AC low-voltage switchgear is suitable for power users such as power plants, substations and industrial enterprises with AC 50Hz, rated operating voltage 380V and rated operating current up to 3150A, for power conversion, distribution and control of motive power, lighting and distribution equipment.

AT-GGD AC low-voltage switchgear is a new-generation product designed by our company in accordance with requirements from energy authorities, power users and design departments, based on the principles of safety, economy, rationality and reliability. It features high breaking capacity, good dynamic and thermal stability, flexible electrical schemes, convenient combination, strong series applicability, novel structure and high protection rating, serving as an upgrade replacement for low-voltage switchgear assemblies.

AT-GGD AC low-voltage switchgear complies with IEC 439 Low-voltage switchgear and controlgear assemblies, GB 7251.1-97 and related standards.

1. Ambient air temperature not exceeding +40°C and not below -5°C; 24-hour average not exceeding +35°C.

2. Indoor installation; altitude at installation site not exceeding 2000m.

3. Relative humidity not exceeding 50% at maximum temperature +40°C; higher relative humidity permitted at lower temperatures (e.g. 90% at +20°C). Occasional condensation due to temperature variation shall be considered.

4. Installation tilt from vertical not exceeding 5%.

5. Installation where severe vibration, shock or corrosive conditions affecting components will not occur.

6. Special requirements may be agreed with the manufacturer.

The following documents and accessories are supplied with each product:

a. Packing list;

b. Certificate of conformity;

c. Operation manual;

d. Factory test report;

e. Relevant electrical drawings;

f. Door keys, operating handles and spare parts as specified in the contract.

Please provide the following when ordering:

a. Full product model (main circuit scheme No. and auxiliary scheme No.);

b. Main circuit system combination diagram;

c. Auxiliary circuit schematic;

d. Component list inside the cabinet;

e. Any special requirements beyond normal operating conditions.